Milk is an essential component of the diet of ~6 billion people. The world production of milk reaches >730 million tons/y. Milk is a widely consumed beverage that is essential to the diet of several millions of people worldwide because it provides important macro and micronutrients. In addition to milk, several dairy products such as cream, butter, yogurt, kefir, and cheese have been produced and consumed worldwide for millennia. Fermented dairy products are known for their taste, nutritive value and therapeutic properties. In the dairy industry, some enzymes are required for the production...